APA-čujuhus (7. p.)

Kumar, A. (2022). Challenges to Internal Security (5th ed.). McGraw-Hill.

Chicago-čujuhus (17. p.)

Kumar, Ashok. Challenges to Internal Security. 5th ed. Chennai: McGraw-Hill, 2022.

MLA-čujuhus (9. p.)

Kumar, Ashok. Challenges to Internal Security. 5th ed. McGraw-Hill, 2022.

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